The EBC Brakes USR Slotted Rotor Sets USR1131 are high-performance brake rotors designed for use in various vehicles. These rotors feature a slotted design that helps to improve braking performance by increasing heat dissipation and reducing brake fade. The slotted design also helps to remove dirt, debris, and water from the braking surface, ensuring consistent braking power. These rotors are made from high-quality materials and are precision machined for a perfect fit. They are an ideal upgrade for drivers looking for improved braking performance and reliability.